Support Fabric v1.4

Supports Fabric v1.4. I've also added a rudimentary REST API server that can perform some administrative tasks. Finally, I've added support for TLS endpoints so that the connection profile used by the Fabric SDK can connect to the peer, orderer and CA using TLS connections.

HK K8s Meetup

This tag was used to run Part 1 & Part 4, running the Fabric Workshop for the HK Kubernetes meetup on 6 Sept 2018

First Fabric workshop Aug 2018

Tagged the version used for the first Fabric workshop in Aug 2018